参数资料
型号: PCA9505DGG,112
厂商: NXP Semiconductors
文件页数: 8/34页
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 35
接口: I²C
输入/输出数: 40
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
包括: POR
产品目录页面: 824 (CN2011-ZH PDF)
其它名称: 568-4244-5
935284486112
PCA9505DGG
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N
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P
Semi
conductor
s
PCA9505/06
40
-bit
I
2C-bus
I/O
port
with
RESET
,O
E
and
INT
OE is LOW to observe a change in the outputs.
If more than 5 bytes are written, previous data are overwritten.
Fig 11. Write to the 5 output ports
002aab496
0
1
0
0 A2 A1 A0 0
slave address
R/W
S
START condition
SDA
A
acknowledge
from slave
10001000
command register
AI = 1
A
acknowledge
from slave
DATA BANK 0
A
acknowledge
from slave
DATA BANK 1
A
acknowledge
from slave
DATA BANK 2
A
acknowledge
from slave
DATA BANK 3
P
STOP
condition
A
acknowledge
from slave
output bank
register bank 0
is selected
DATA BANK 4
A
acknowledge
from slave
write to port
data out from port
tv(Q)
data valid
bank 0
data valid
bank 1
data valid
bank 2
data valid
bank 3
data valid
bank 4
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